Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 61, NWS State College, PA

June 24, 2013Columbia County, Pennsylvania

NWS State College, PA issued this severe thunderstorm warning at Jun 24, 2013, 3:45 PM EDT for Columbia County, Pennsylvania. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 24, 2013, 3:45 PM EDT (19:45 UTC)
Expired
Jun 24, 2013, 4:15 PM EDT
In force
30 min
Issued by
NWS State College, PA
Area
Storm-based polygon

County Columbia County, PA

The radar

The Binghamton radar (KBGM), 133 km from the middle of the area, began a volume at 19:45 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 7.8 hours before the alert went out and 177 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Phillips Aaf/Abe, MD at 12:00Z on 2013-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 705 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Phillips Aaf/Abe, MD at 12:00Z on 2013-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
705 J/kg
Mixed-layer CIN
-105 J/kg
Mixed-layer LCL
1279 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS State College, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 24, 3:01 PM EDT, 44 minutes earlier.

Area forecast discussion, Jun 24, 3:01 PM EDT, 44 minutes before
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Hazardous weather outlook, Jun 24, 2:53 PM EDT, 52 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
253 PM EDT MON JUN 24 2013

PAZ065-066-251900-
YORK-LANCASTER-
253 PM EDT MON JUN 24 2013

...SEVERE THUNDERSTORM WATCH 355 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO
WEATHER.GOV/STATECOLLEGE ON THE INTERNET FOR MORE
INFORMATION ABOUT THE FOLLOWING HAZARDS.

   SEVERE THUNDERSTORM WATCH.

 THE MAIN SEVERE WEATHER THREAT WILL BE IN THE FORM OF
BRIEF...DAMAGING MICRO-BURST WINDS AND ISOLATED OCCURRENCES OF
LARGE HAIL AROUND ONE INCH IN DIAMETER.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

PAZ027-028-036-041-042-046-049>053-056>059-063-064-251900-
MIFFLIN-JUNIATA-FRANKLIN-NORTHERN LYCOMING-SULLIVAN-
SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-NORTHUMBERLAND-COLUMBIA-PERRY-
DAUPHIN-SCHUYLKILL-LEBANON-CUMBERLAND-ADAMS-
253 PM EDT MON JUN 24 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND
EARLY THIS EVENING. THE MAIN SEVERE WEATHER THREAT WILL BE IN THE
FORM OF BRIEF...DAMAGING MICRO-BURST WINDS AND ISOLATED OCCURRENCES
OF LARGE HAIL AROUND ONE INCH IN DIAMETER.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

PAZ012-018-019-024>026-033>035-037-045-251900-
NORTHERN CLINTON-NORTHERN CENTRE-SOUTHERN CENTRE-CAMBRIA-BLAIR-
HUNTINGDON-SOMERSET-BEDFORD-FULTON-TIOGA-SOUTHERN CLINTON-
253 PM EDT MON JUN 24 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

PAZ004>006-010-011-017-251900-
WARREN-MCKEAN-POTTER-ELK-CAMERON-CLEARFIELD-
253 PM EDT MON JUN 24 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS WEDNESDAY AFTERNOON
AND EVENING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

LAMBERT

In the hours before

Special weather statement, Jun 24, 2:10 PM EDT, 1 hour 35 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
210 PM EDT MON JUN 24 2013

PAZ037-041-241845-
NORTHERN LYCOMING PA-TIOGA PA-
210 PM EDT MON JUN 24 2013

...STRONG THUNDERSTORMS WILL AFFECT EASTERN TIOGA AND NORTH CENTRAL
LYCOMING COUNTIES...

AT 205 PM EDT...STRONG THUNDERSTORMS WERE NEAR BLOSSBURG...MOVING
EAST AT 15 MPH.

WIND GUSTS TO 40 MPH AND PENNY SIZE HAIL ARE POSSIBLE WITH THIS
STORM. THIS STORM WILL AFFECT BLOSSBURG...ROSEVILLE AND OGDENSBURG.

OTHER NOTABLE LOCATIONS IMPACTED WILL BE... MANSFIELD UNIVERSITY.

THIS WILL IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 6...ROUTE 15...
STATE ROAD 14.

LAT...LON 4199 7692 4161 7687 4159 7682 4149 7678
      4163 7733 4198 7732 4201 7713 4200 7693

FORECASTER: CERU
Special weather statement, Jun 24, 2:14 PM EDT, 1 hour 31 minutes before
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Local storm report, Jun 24, 2:32 PM EDT, 1 hour 13 minutes before
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Special weather statement, Jun 24, 3:01 PM EDT, 44 minutes before
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Special weather statement, Jun 24, 3:13 PM EDT, 32 minutes before
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Special weather statement, Jun 24, 3:32 PM EDT, 13 minutes before
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The office that day

Everything else NWS State College, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 24, 11:42 AM EDTSpecial Weather StatementCTPBedford48 min
Jun 24, 12:51 PM EDTSpecial Weather StatementCTPBedford24 min
Jun 24, 1:04 PM EDTSpecial Weather StatementCTPLancaster41 min
Jun 24, 1:06 PM EDTSpecial Weather StatementCTPBedford39 min
Jun 24, 1:11 PM EDTSevere Thunderstorm WarningCTPLancaster34 min
Jun 24, 1:16 PM EDTSpecial Weather StatementCTPJuniata, Mifflin59 min
Jun 24, 1:26 PM EDTSpecial Weather StatementCTPHuntingdon64 min
Jun 24, 1:35 PM EDTSpecial Weather StatementCTPNorthumberland, Snyder55 min
Jun 24, 1:39 PM EDTFlash Flood WarningCTPLancaster3 hr
Jun 24, 1:42 PM EDTSevere Thunderstorm WarningCTPFranklin, Fulton48 min
Jun 24, 1:58 PM EDTSpecial Weather StatementCTPColumbia62 min
Jun 24, 2:10 PM EDTSpecial Weather StatementCTPTioga35 min
Jun 24, 2:13 PM EDTSevere Thunderstorm WarningCTPDauphin, Northumberland, Schuylkill, Snyder62 min
Jun 24, 2:14 PM EDTSpecial Weather StatementCTPFulton46 min
Jun 24, 2:30 PM EDTSevere Thunderstorm WarningCTPTioga30 min
Jun 24, 3:01 PM EDTSpecial Weather StatementCTPSchuylkill29 min
Jun 24, 3:13 PM EDTSpecial Weather StatementCTPSullivan47 min
Jun 24, 3:32 PM EDTSpecial Weather StatementCTPColumbia, Montour43 min
Jun 24, 4:11 PM EDTSpecial Weather StatementCTPSullivan34 min
Jun 24, 5:07 PM EDTSpecial Weather StatementCTPLancaster23 min
Jun 24, 6:05 PM EDTSpecial Weather StatementCTPSullivan55 min
Jun 24, 6:21 PM EDTSpecial Weather StatementCTPLancaster24 min
Jun 24, 6:59 PM EDTSpecial Weather StatementCTPLancaster31 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2013Every severe thunderstorm warning in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.